., canada and south america blocking viewing services from many users. they blamedded outage on a server belonging to amazon and said an investigation is under way to determine exactly what happened. >>> a lot of people may be headed to the sierra for fun and snow. a a lot of snow has been coming down but getting there may not be so easy. looks like the snow is coming down, claire. >> reporter: yeah the snow is coming down and it's coming down hard causing a lot of problems for drivers. let me show you how bad it is on i80 right now. you can see the traffic circling all the way back there. right now they are saying that is causing about a two hour delay. eastbound traffic is being held at the alta exit where there is chain controls. that is for as long as it snows. earlier westbound traffic was being held this afternoon in truckee due to spin outs but they finally released traffic. at least seven accidents in a truckee area this afternoon in just two hours many of them causing minor injuries. we spoke to drivers earlier who had to put on their chains but